diff --git a/src/xswiftbus/libxplanemp b/src/xswiftbus/libxplanemp
index 905ba5cbd..4a9915a67 160000
--- a/src/xswiftbus/libxplanemp
+++ b/src/xswiftbus/libxplanemp
@@ -1 +1 @@
-Subproject commit 905ba5cbd6c54fb7b043c2ac0e594aebcd58b149
+Subproject commit 4a9915a6747afae7711461ef12f579b630c555f1